


"""simple docstring"""
from __future__ import annotations




class 	lowercase__				:





   def __init__(							self      ,   SCREAMING_SNAKE_CASE = 0)  ->  Optional[int]:
      _lowerCamelCase	:					Dict   =		key





   def 		UpperCamelCase_  (							self      ,   SCREAMING_SNAKE_CASE      ,   SCREAMING_SNAKE_CASE)  ->  list[str]:
      assert isinstance(SCREAMING_SNAKE_CASE      ,   SCREAMING_SNAKE_CASE) and isinstance(SCREAMING_SNAKE_CASE      ,   SCREAMING_SNAKE_CASE)

      _lowerCamelCase	:					Any   =		key or self.__key or 1

      # make sure key is an appropriate size
      key %= 255

      return [chr(ord(SCREAMING_SNAKE_CASE) ^ key) for ch in content]





   def 		UpperCamelCase_  (							self      ,   SCREAMING_SNAKE_CASE      ,   SCREAMING_SNAKE_CASE)  ->  list[str]:
      assert isinstance(SCREAMING_SNAKE_CASE      ,   SCREAMING_SNAKE_CASE) and isinstance(SCREAMING_SNAKE_CASE      ,   SCREAMING_SNAKE_CASE)

      _lowerCamelCase	:					Optional[int]   =		key or self.__key or 1

      # make sure key is an appropriate size
      key %= 255

      return [chr(ord(SCREAMING_SNAKE_CASE) ^ key) for ch in content]





   def 		UpperCamelCase_  (							self      ,   SCREAMING_SNAKE_CASE      ,   SCREAMING_SNAKE_CASE = 0)  ->  str:
      assert isinstance(SCREAMING_SNAKE_CASE      ,   SCREAMING_SNAKE_CASE) and isinstance(SCREAMING_SNAKE_CASE      ,   SCREAMING_SNAKE_CASE)

      _lowerCamelCase	:					str   =		key or self.__key or 1

      # make sure key can be any size
      while key > 255:
         key -= 255

      # This will be returned
      _lowerCamelCase	:					Optional[Any]   =		""""""

      for ch in content:
         ans += chr(ord(SCREAMING_SNAKE_CASE) ^ key)

      return ans





   def 		UpperCamelCase_  (							self      ,   SCREAMING_SNAKE_CASE      ,   SCREAMING_SNAKE_CASE = 0)  ->  str:
      assert isinstance(SCREAMING_SNAKE_CASE      ,   SCREAMING_SNAKE_CASE) and isinstance(SCREAMING_SNAKE_CASE      ,   SCREAMING_SNAKE_CASE)

      _lowerCamelCase	:					List[str]   =		key or self.__key or 1

      # make sure key can be any size
      while key > 255:
         key -= 255

      # This will be returned
      _lowerCamelCase	:					Optional[Any]   =		""""""

      for ch in content:
         ans += chr(ord(SCREAMING_SNAKE_CASE) ^ key)

      return ans





   def 		UpperCamelCase_  (							self      ,   SCREAMING_SNAKE_CASE      ,   SCREAMING_SNAKE_CASE = 0)  ->  bool:
      assert isinstance(SCREAMING_SNAKE_CASE      ,   SCREAMING_SNAKE_CASE) and isinstance(SCREAMING_SNAKE_CASE      ,   SCREAMING_SNAKE_CASE)

      try:
         with open(SCREAMING_SNAKE_CASE) as fin, open("""encrypt.out"""      ,   """w+""") as fout:
            # actual encrypt-process
            for line in fin:
               fout.write(self.encrypt_string(SCREAMING_SNAKE_CASE      ,   SCREAMING_SNAKE_CASE))

      except OSError:
         return False

      return True





   def 		UpperCamelCase_  (							self      ,   SCREAMING_SNAKE_CASE      ,   SCREAMING_SNAKE_CASE)  ->  bool:
      assert isinstance(SCREAMING_SNAKE_CASE      ,   SCREAMING_SNAKE_CASE) and isinstance(SCREAMING_SNAKE_CASE      ,   SCREAMING_SNAKE_CASE)

      try:
         with open(SCREAMING_SNAKE_CASE) as fin, open("""decrypt.out"""      ,   """w+""") as fout:
            # actual encrypt-process
            for line in fin:
               fout.write(self.decrypt_string(SCREAMING_SNAKE_CASE      ,   SCREAMING_SNAKE_CASE))

      except OSError:
         return False

      return True


# Tests
# crypt = XORCipher()
# key = 67

# # test encrypt
# print(crypt.encrypt("hallo welt",key))
# # test decrypt
# print(crypt.decrypt(crypt.encrypt("hallo welt",key), key))

# # test encrypt_string
# print(crypt.encrypt_string("hallo welt",key))

# # test decrypt_string
# print(crypt.decrypt_string(crypt.encrypt_string("hallo welt",key),key))

# if (crypt.encrypt_file("test.txt",key)):
#       print("encrypt successful")
# else:
#       print("encrypt unsuccessful")

# if (crypt.decrypt_file("encrypt.out",key)):
#       print("decrypt successful")
# else:
#       print("decrypt unsuccessful")






'''simple docstring'''

from __future__ import annotations

SCREAMING_SNAKE_CASE__     :						List[Any]	=  1.6021e-19  # units = C






def 				a  (     UpperCamelCase_    :    float      ,					UpperCamelCase_    :    float      ,					UpperCamelCase_    :    float      ,					)       ->	tuple[str, float]:
		if (conductivity, electron_conc, mobility).count(0			) != 1:
				raise ValueError('You cannot supply more or less than 2 values'			)
		elif conductivity < 0:
				raise ValueError('Conductivity cannot be negative'			)
		elif electron_conc < 0:
				raise ValueError('Electron concentration cannot be negative'			)
		elif mobility < 0:
				raise ValueError('mobility cannot be negative'			)
		elif conductivity == 0:
				return (
				    "conductivity",
				    mobility * electron_conc * ELECTRON_CHARGE,
				)
		elif electron_conc == 0:
				return (
				    "electron_conc",
				    conductivity / (mobility * ELECTRON_CHARGE),
				)
		else:
				return (
				    "mobility",
				    conductivity / (electron_conc * ELECTRON_CHARGE),
				)


if __name__ == "__main__":
			import doctest

			doctest.testmod()




